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Table A.1.

Model parameters and fitted values.

Parameter Short description Priora Value 1 σ range
global geometry
i inclination (from face-on) [deg] U(cos i: 0.5,1.0)b 33.3 -2.9,+3.0
PA position angle of line of nodes (E of N) [deg] U(-180,180) 98.5 -3.8,+4.4
log MBH black hole mass (M) U(7.0,11.0) 8.90 -0.13,+0.11
fout fraction of all the clouds in the outflowing part U(0.0,1.0) 0.83 -0.04,+0.03
geometry of discy part
θ0 angular extent above/below mid-plane [deg] U(0,90) 38.9 -3.6,+5.3
geometry of outflowing part
θt angular extent above/below discy part [deg] U(0,90) 21.1 -5.6,+6.0
fV scaling factor applied to Vesc at Rmin to infer Vout(Rmin) U(log fV: 0.0,0.7) 2.70 -0.39,+0.47
αV index denoting radial dependence of Vout(r) U(-1.0,0.0) -0.74 -0.19,+0.19
global line emission properties
ϵ shift of zero velocity wavelength, λ0 = (1 + ϵ)λinitial U(-0.01,0.01) 0.0046 -0.0005,+0.0004
Rmin minimum radius of line emission [Schwarzschild radii] U(log Rmin: 3.0,6.0) 3.77 -0.17,+0.17
κ line emission anisotropy (-0.5 to +0.5; 0 denotes isotropic) U(-0.5,0.5) -0.45 -0.03,+0.06
ξ mid-plane opacity (0 to 1; 0 denotes opaque) U(0.0,1.0) 0.016 -0.011,+0.021
Hβ line properties
β[Hβ] shape parameter for radial distribution of line emission U(0.0,2.0) 1.01 -0.25,+0.20
F[Hβ] scale factor such that mean radius μ = Rmin/F U(0.0,1.0) 0.46 -0.18,+0.14
Fpeak[Hβ] flux scaling for peak of line profile G(0.5,0.1) 0.510 -0.014,-+0.020
Hγ line properties
β[Hγ] shape parameter for radial distribution of line emission U(0.0,2.0) 1.39 -0.39,+0.35
F[Hγ] scale factor such that mean radius μ = Rmin/F U(0.0,1.0) 0.50 -0.19,+0.18
Fpeak[Hγ] flux scaling for peak of line profile G(0.14,0.02) 0.132 -0.005,+0.005

Notes.

(a)

U refers to a uniform prior over the range given; G denotes a Gaussian prior with the centre and dispersion indicated.

(b)

Inclination is fitted as cos i.

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